Home / 179,372.78-247,534.40-98,800.30

Finding the Fourth Proportional to 179,372.78, 247,534.40 and 98,800.30

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Solution

The fourth proportional to 179,372.78, 247,534.40 and 98,800.30 is: 136,344.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,372.78 : 247,534.40 = 98,800.30 : x
  2. Step 2: Convert to fraction form
    179,372.78/247,534.40 = 98,800.30/x
  3. Step 3: Cross multiply
    179,372.78x = 247,534.40 × 98,800.30
  4. Step 4: Simplify right side
    179,372.78x = 24,456,472,980.32
  5. Step 5: Solve for x
    x = 24,456,472,980.32/179,372.78
  6. Step 6: Final answer
    x = 136,344.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.